La tasa de adultos fumadores en Estados Unidos se mantiene estable desde 1996, según indican los CDC de Atlanta en el "Morbidity and Mortality Weekly Report".
La agencia espera que la proporción de fumadores disminuya un 12% de aquí al 2010, pero las estadísticas no muestran descensos relevantes desde hace tiempo en la prevalencia del hábito tabáquico, que se mantiene desde hace años alrededor del 23%.
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